Panasonic KX-TG7175RUS / KX-TGA717RUS Service Manual ▷ View online
65
KX-TG7175RUS/KX-TGA717RUS
12 Schematic Diagram
12.1. For Schematic Diagram
12.1.1. Base Unit (Schematic Diagram (Base Unit))
Notes:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
2. The schematic diagram may be modified at any time with the development of new technology.
12.1.2. Handset (Schematic Diagram (Handset))
Notes:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagram may be modified at any time with the development of new technology.
2. The schematic diagram may be modified at any time with the development of new technology.
66
KX-TG7175RUS/KX-TGA717RUS
12.2. Schematic Diagram (Base Unit)
C
L2R
J1
NC
(2125)
J2
NC
(2125)
L1
33u
L2
33u
K680p
C9
K680p
C10
D3
4
1
3
2
C
C
C
R11
10
(3216)
C
J3
NC
J4
0
100k
R14
2.7k
R15
(2125)
C
C11
NC
LINE_DC
2.2k
R17
10k
R16
C
C
C13
NC
C
27k
R18
Q5
3
2
1
C20
NC
47k
R24
C21
NC
C
R25
NC
R26
NC
NC
D7
12
C
Q3
3
2
1
SA1
NC
D15
12
D16
NC
1
2
R2
NC
(3216)
Q2
1
3
2
Q4
1
3
2
C18
NC
C
C
K4700p
C14
8.2k
R19
C
100k
R23
K0.056u
C23
C
C24
NC
C
+2.5V
C
C
C
C
100k
R27
470k
R28
C
K0.01u
C25
C
D9
12
NC
D2
1
2
Q1
NC
2
3
1
C
R1
10k
(1005)
C
C1
D10p
(1005)
C
1500p
C3
1M
R4
C5
K1000p
1500p
C4
1M
R6
R5
180k
C6
K1000p
R7
NC
100k
R8
C
C
+2.5V
D5
NC
1
2
D6
NC
12
R9
NC
100k
R10
C
C
IC7
1
*INT1/P11
2
VDDIO1
3
VDD1
4
VSS1
5
SDA1/P25
6
SCL1/P24
7
*INT5/VDDE/P15
8
*INT2/P12
9
AVD
10
AVS
11
CAP
12
Xtal1
13
VSSRF
14
RFCLKp
15
RSSI/RFCLKm
16
VDDRF
17
RFCLKd
18
TDO
19
RDI
20
SK
21
PD1/SIO
22
LE
23
P31/PD1
24
P32/PD2
25
P33/PD3
26
P34/PD4
27
TDOD/P35/PD5
28
P36/PD6
29
VSS2
30
VDDIO2
31
VDD2
32
32: PCM_FSC/*INT0/P10
33
P00/UTX
34
P01/URX
35
P02/JTIO
36
P03/SDA2
37
P04/SCL2
38
P05/SPICLK/PCM_CLK
39
P06/SPIDO/PCM_DOUT
40
P07/SPIDI/PCM_DIN
41
VSS3
42
VDD3
43
P23/ADC1
44
P17/CHARGE/INT7
45
*RST
46
VBAT1
47
LDO1_CTRL
48
LDO2_CTRL
49
49: LDO1_Sense
50
AVS2
51
AVD2
52
*CIDIN
53
*LSR/REF
54
LSRp/REF
55
RINGING
56
*MIC/CIDOUT
57
VREFm
58
AGND
59
MICp
60
CIDINp
61
P14/*INT4
62
P13/*INT3
63
ADC2
64
ADC0
J101
J104
C
J103
J102
C
C
R76
1k
(1005)
C77
NC
(1005)
C79
NC
(1005)
C78
NC
(1005)
C
C
C76
NC
SW1
1
2
R81
3.3k
(1005)
Q9
1
3
2
K0.1u
C56
C54
K0.022u
(1005)
C
+1.8V
D12
1
2
15
R72
(1005)
Q8
VDD1
+2.5V
C
C
C
C
C
C
C
C
+2.5V
C
IC6
I/O
1
O/I
2
VSS
3
VDD
5
CONT
4
X1
1
2
3
C62
J27p
(1005)
C
VDD2
10u
C64
16
C
C
R63
2.2k
(1005)
+2.5V
C
C
+2.5V
Q14
2
3
1
C50
K0.01u
C
R61
1k
R60
22k
C
+3.3V
R58
6.8k
(1005)
C
IC4
I/O
1
O/I
2
VSS
3
VDD
5
CONT
4
C
K0.1u
C47
1k
R54
15k
R52
1.2k
R51
27
R48
C46
NC
C
J100p
C44
(1005)
D11
12
Q6
1
3
2
C45
NC
C
C
470
R49
Q7
2
3
1
180
R53
C
K0.1u
C51
(1005)
C60
K0.1u
(1005)
C61
K0.1u
(1005)
C73
K0.1u
(1005)
TP16
TP15
C
C74
K0.1u
(1005)
C75
K0.1u
(1005)
C59
K0.1u
(1005)
C67
K0.1u
(1005)
IC3
NC
1
CD
2
+VREF
3
+VIN
4
-VIN
5
VOUT1
6
V+
7
GND
8
VOUT2
IC2
NC
1
Vout
2
NC
3
GND
4
Cn
5
Cont
6
Sub
7
Vin
C33
NC
C
C
C
C35
NC
C
+4.0V VDD4
R40
(1005)
NC
C
D10
NC
12
C38
NC
C39
NC
C40
NC
R42
NC
C42
NC
C
C
C
330u
C36
C
VDD3
+3.3V
120
R38
(1005)
200
R39
(1005)
C
IC1
4
Fin
1
ADJ/GND
3
Input
2
Output
+8.0V
C
C
C55
K0.1u
(1005)
DCM
SP+
SP+
SP-
SP-
1k
R79
(1005)
(1005)
1k
R80
(1005)
R45
NC
SP+
NC
(1005)
R47
NC
(1005)
R46
SP-
NC
R50
L2T L1T L1R
22
R55
22
R56
CN2
2
1
C
C
C
NC
C30
C
NC
(1005)
C69
C
(1005)
R44
NC
R43
NC
C
C
C41
NC
CN1
1
2
3
4
2
3
4
5
6
10u
C71
K1u
C68
(1005)
2.2k
R62
(1005)
100k
R34
C34
NC
12
R21
(4532)
K1u
(1005)
C65
R37
NC
D8
NC
12
D17
NC
12
2.2k
R59
K1u
C70
100k
R32
SA2
NC
J220p
C52
J220p
C53
D1
NC
1
2
CN4 1
2
27
R22
3.3M
R73
(1005)
R65
NC
0
R66
0
R68
R69
NC
R70
NC
C2
NC
18
R67
K220n
C72
100
R75
TP23
3.9k
R57
(1005)
10k
R74
(1005)
TP10
TP9
TP_RLY1
L1T/TP_RLY2
L2T/TP_RLY3
L1R/TP_RLY4
TP_RLY5
L1T/TP_RLY2
L2T/TP_RLY3
L1R/TP_RLY4
TP_RLY5
D4
12
10k
R77
(1005)
10k
R78
(1005)
+2.5V
C134
(1005)
NC
(1005)
R64
NC
C
C8
10p
(1608)
C7
10p
(1608)
10p
C136
(1005)
C
10p
C137
(1005)
C
C138
(1005)
NC
C139
(1005)
NC
C
C
10p
C37
10p
C49
10p
C48
3.3k
(1005)
R71
0.1u
C140
1k
R35
C
56
R29
3.3k
R117
(1005)
1k
R33
(1005)
C57
NC
(1005)
C66
NC
18
R116
(1005)
IC5
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
R3
180k
C141
56n
(1005)
1u
(2125)
C15
(2125)
C16
NC
(2125)
K2.2u
C17
1u
(2125)
C22
(2125)
K2.2u
C31
10p
(1005)
C143
(1005)
C144
NC
C
(1005)
C146
NC
C
(1005)
C145
NC
C
10p
(1005)
C147
(1005)
NC
C58
10p
(1005)
C149
10p
C148
R13
680
C12
NC
10p
C19
(1005)
C135
NC
NC
R41
(2125)
NC
C43
R12
10k
470
R30
2.2k
R20
R36
150k
(1005)
C150
NC
10p
C151
10p
C152
10p
C153
C
C
C
0
R121
C
10p
C154
C
100u
C32
15p
C63
0
L9
RSSI
LE
SIO
TDO
RDI
SK
RDY
RESET
KEY0
ROW2
KEY1
SPIDI
SPIDO
SPICLK
TAM_CSn
ROW1
ROW0
ROW0
TAM_RSTn
TAMIC_CSn
RFCLK
RFCLK
NSA/CLIP
Charge +
Charge -
DC_IN
GND
JTAG
RX
TX
for NL
for JT
for TG7120/8120
for TG7120/8120
except TG7120/8120
NC: No Components
BBIC
EEPROM
(1)
(2)
(3)
Charge Current
Beep Bell signal
RX_AF
1.8V
2.5V
3.3V
TX_AF
Loop Current
25mV p-p
0V
0.7V
Caller ID,
Bell Signal
Bell Signal
Bell signal
TX DATA
RX DATA
67
KX-TG7175RUS/KX-TGA717RUS
C
10u
C27
C
C29
NC
C
+3.3V
C101
NC
C
C
2.2k
R102
470
R103
(2125)
C
Q10
1
3
2
C103
NC
C
C
C104
NC
C105
NC
(3216)
IC10
1
GND1
2
ANT2
3
VCCPA
4
GND2
5
GND3
6
VCC_OC
7
GND4
8
RSSI
9
SYRI
10
GND5
11
GND6
12
SYEN
13
SYDA
14
SYCL
15
GND7
16
RX_DATA
17
GND8
18
TXDA
19
GND9
20
*RESET
21
ANT1
22
GND10
23
GND11
24
GND12
25
GND13
26
GND14
27
GND15
28
GND16
29
GND17
30
GND18
31
A_1
32
GND19
C108
NC
(3216)
C
R104
(1005)
NC
C115
NC
(1005)
C
C116
(1005)
NC
C
C26
(1005)
NC
C109
NC
(1005)
C111
NC
(1005)
C113
NC
(1005)
C114
NC
(1005)
C132
(1005)
NC
R105
NC
(1005)
J22p
C112
(1005)
CLK
C
C
C
C
C
C
C
C130
(1005)
NC
C
C131
(1005)
NC
C
C128
NC
(1005)
(1005)
(1005)
C
C
R110
NC
(1005)
R111
100
(1005)
C129
(1005)
NC
C
R112
1k
(1005)
K1000p
C127
J150p
C126
C
C
C
C
C107
NC
C106
NC
C
C
+2.5V
C
270
R106
D10p
C118
C
D10p
C120
C122
NC
L7
33n
DA1
1
2
3
R107
NC
C121
NC
(1005)
L5
NC
ANT_2
C
R109
180
R108
NC
C125
D10p
C
C
D14
NC
1
2
D13 NC
1
2
Q12
NC
2
3
1
10k
R98
(1005)
10k
R99
(1005)
C
Q13
NC
2
3
1
C
R101
NC
C97
(1005)
NC
C
+2.5V +1.8V
C
C
C
C
C
+2.5V
C
C
C
SP+
SP-
C
C
C
C
+3.3V
C
C
+2.5V
R91
NC
NC
C87
C
10k
R89
(1005)
C
+3.3V
+3.3V
C86
(1005)
NC
C
Q11
NC
2
3
1
R86
(1005)
NC
C
R85
NC
C
R83
(1005)
(1005)
NC
R84
(1005)
NC
IC9
NC
1
RDY/*BUSY
2
*RESET
3
*WP
4
NC1
5
NC2
6
VCC
7
GND
8
NC3
9
NC4
10
NC5
11
*CS
12
SCK
13
SI
14
SO
15
NC6
16
NC7
17
NC8
18
NC9
19
NC10
20
NC11
21
NC12
22
NC13
23
NC14
24
NC15
25
NC16
26
NC17
27
NC18
28
NC19
NC
(1005)
R88
(1005)
C93
NC
(1005)
C94
NC
(1005)
C95
NC
(1005)
C92
NC
(1005)
C96
NC
C
C
C
C
C
IC8
NC
1
GPIO4/PCM_DI
2
GPIO5/PCM_DO
9
SPI_DI
3
GPIO6/PCM_CLK
4
GPIO7/PCM_FSC
5
VDD1
6
VDDIO1
7
CLK
8
*PF
10
SPI_DO
11
SPI_CLK
12
SPI_EN
13
AVD1
14
GPO9/PAOUTp
15
VDDPA
16
GPO8/PAOUTm
17
GPIO0
18
GPIO1
19
VDD2
20
VDDIO2
21
GPIO2
22
GPIO3
23
*RST
24
AVD2
25
*LSR
26
LSRp
27
MICh
28
*MIC
29
VREFm
30
VBUF
31
MICp
32
VREFp
33
Fin
C
C84
NC
C83
NC
C80
(1005)
NC
K0.1u
(1005)
C133
(1005)
C85
NC
(1005)
C82
NC
R82
NC
R87
NC
1k
(1005)
R92
NC
(1005)
C90
(1005)
C89
NC
NC
(1005)
C91
NC
(1005)
C88
R90
(1005)
NC
R113
NC
(1005)
+3.3V
0
(1005)
R114
NC
(1005)
R115
R100
NC
ANT
C
A_1
A_2
CN5-3
NC
CN5-1
NC
CN5-2
NC
CN6-1
NC
CN6-2
NC
CN6-3
NC
CN6-4
NC
CN6-5
NC
CN5-4 NC
CN5-5 NC
C142
(1005)
NC
R118
(1005)
NC
C
C
C81
(1005)
NC
R93
(1005)
NC
R94
(1005)
NC
0
R95
(1005)
0
R96
(1005)
(1005)
R97 NC
1u
(2125)
C102
100n
(2125)
C28
6.8n
L3
6.8n
L4
3p
C117
10p
(1005)
C119
K1000p
(1005)
C110
1p
C124
820
R31
2.2n
L10
2.2n
L11
ANT_1
L6
0.5p
SK
SIO
TDO
RESET
RDI
RSSI
LE
TAMIC_CSn
SPICLK
SPIDI
SPIDO
ANSWER_ON
MESSAGE
RFCLK
SPIDI
SPIDO
SPICLK
TAM_RSTn
RDY
MESSAGE
ANSWER_ON
NSA/CLIP
ROW0
RFCLK
TAM_CSn
TAM_RSTn
KEY1
KEY0
ROW2
ROW1
ROW1
for TG7120/8120
Flat-cable
KX-
TG7175RU
SCHEMATIC DIAGRAM (Base Unit)
NC: No Components
RF Module
(1)
(2)
(3)
0V
2.5V
10.368MHz
RX DATA
TX DATA
3.3V
68
KX-TG7175RUS/KX-TGA717RUS
12.3. Schematic Diagram (Handset)
J1
J2
5.6n
F1
4.0V
330u
C1
47u
L1
D1
1
2
6.3V
330u
C2
100m
R45
1u
C34
Q1
1
3
2
100m
R1
Q3
1
3
2
Q2
1
3
2
BATTERY
+3.3V
VDD3
+2.5V
+1.8V
VDD2
VDD1
10u
L4
10u
L5
1
3
2
D7
Q4
1
2
Q5
2
3
1
D6
1 2
+2.5V
+1.8V
X1
1
2
3
5.6M
R19
INT
1 2
R
1 2
UTX
URX
GND
+2.5V
1u
C40
1u
C42
+2.5V
820k
R95
430k
R94
+2.5V
POWER
1u
C39
TP20
TP21
BAT
CN3
1
CN3
2
CN3
3
CN3
4
CN3
5
CN3
6
CN3
7
CN3
8
CN3
9
CN3
10
CN3
11
CN3
12
CN3
13
CN3
14
CN3
15
CN3
16
CN3
17
CN3
18
1u
C41
100n
C3
100n
C19
100n
C24
100n
C20
100n
C21
100n
C22
100n
C30
100n
C32
C36
NC
15p
C7
C8
220n
100p
C35
C91
NC
C92
NC
10n
C38
1n
C18
C49
NC
68
R2
470
R5
10k
R6
10k
R65
1k
R8
1k
R61
1k
R62
39k
R11
100
R13
J3
JTAG
59
LDO1_CTRL
61
61: P16/PON/INT6
63
LDO1_sense
65
AVD2
67
LSRp/REF
69
VREFm
71
AGND
73
VREFp
4
VSS1
75
P14/*INT4
6
LED2/PWM1/P21
77
P22/CLK100
8
LED_BIAS/P36/PD6
79
ADC3
10
SCL1/P24
12
*INT2/P12
14
AVS
16
Xtal1
18
RFCLKp
20
VDDRF
22
TDO
24
SK
26
LE
28
P32/PD2
30
PAOUTm
32
PAOUTp
34
P33/PD3
36
TDOD/P35/PD5
38
VDDIO2
40
40: PCM_FSC/*INT0/P10
42
P01/URX
44
P03/SDA2
46
P05/SPICLK/PCM_CLK
48
P07/SPIDI/PCM_DIN
50
VDD3
52
P17/CHARGE/INT7
54
DC_STAB
56
DC_CTRL
58
VBAT1
60
LDO2_CTRL
62
62: P26/STOP_CHARGE
64
AVS2
66
*LSR/REF
68
*MIC
70
VBUF
72
MICp
1
*INT1/P11
3
VDD1
74
P30
5
LED1/PWM0/P20
76
P13/*INT3
7
LED3
78
AVS_sense
9
SDA1/P25
80
ADC0
11
*INT5/VDDE/P15
13
AVD
15
CAP
17
VSSRF
19
RSSI/RFCLKm
21
RFCLKd
2
VDDIO1
23
RDI
25
PD1/SIO
27
P31/PD1
29
VSSPA1
31
VDDPA
33
VSSPA2
35
P34/PD4
37
VSS2
39
VDD2
41
P00/UTX
43
P02/JTIO
45
P04/SCL2
47
P06/SPIDO/PCM_DOUT
49
VSS3
51
P23/ADC1
53
*RST
55
DC_I
57
DC_Sense
J4
1
100n
C26
100n
C25
C94
NC
8p
C6
C4
NC
C9
NC
5.6k
R46
220k
R7
10k
R64
5.6k
R47
BATTERY
D8
2
1
1u
C15
3.3k
R15
1k
R16
L6
LED10
A
K
Q9
B
C
E
120
R92
C5
2.2u
C10
2.2u
C96
NC
C97
NC
C23
NC
10p
C98
UP
1 2
DOWN
1 2
RIGHT
1 2
LEFT
1 2
0
1
2
1
1 2
2
1
2
3
1
2
4
1 2
5
1
2
6
1 2
7
1 2
8
1
2
TALK
1 2
S1
1
2
R63 NC
1k
R66
C93
NC
9
1 2
R127 NC
NC
C137
R130
NC
R131
NC
CONF
SOFT_C
1 2
SOFT_B
1 2
SHARP
1
2
AST
1
2
SOFT_A
1 2
SP
1 2
CANCEL
1 2
10p
C90
10p
C138
Q8
B
C
E
Q7
B
C
E
R125
NC
10p
C89
330
R89
330
R90
330
RA1
1
2
3
45
6
7
8
LED6
A
K
LED7
A
K
LED8
A
K
LED9
A
K
LED1
A
K
LED11
A
K
LED5
A
K
LED12
A
K
LED2
A
K
LED3
A
K
LED4
A
K
100n
C45
100n
C46
100n
C47
100n
C43
100n
C44
10k
R14
10
R140
10
R141
10
R142
100
R137
100
R138
100
R132
100
R139
100
R133
100
R134
100
R135
100
R136
100p
C141
100p
C142
100p
C143
100p
C144
10n
C147
100n
C148
100p
C149
4.7
R12
330
R93
16
10n
C48
DC_I
ADC3
LDO1_CTRL
LDO2_CTRL
STOP_CHARGE
RESET
BELL_LED
UTX
URX
JTAG
ROW0
COL5
COL4
COL3
COL2
COL1
LE
SIO
SK
RDI
TD0
ADC3
AVS_sense
LCD_RESET
STOP_CHARGE
CHARGE
DC_CTL
DC_I
LDO2_CTRL
LDO1_CTRL
LDO1_CTRL
ROW2
LCD_RS
LCD_SCL
LCD_SI
LCD_CSB
ROW1
COL0
COL1
COL2
COL3
URX
JTAG
RSSI
COL5
ROW0
ROW1
ROW3
ROW2
COL4
CHARGE
DC_CTL
ROW3
RECIVER_AMP_CD
KEY_LED
COL0
UTX
KEY_LED
LCD_RESET
LCD_SI
LCD_CSB
LCD_RS
LCD_SCL
BELL_LED
HEADSET_DET
AVS_sense
RFCLK
IC1
BBIC
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(12)
(13)
(10)
(11)
NC: No Components
1s
(When on charge)
Charge Current
TX DATA
RX DATA
115kHz
(Talk Mode)
3.3V
2.5V
1.8V
0.7V
0V
25mVp-p
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